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  1. #1
    Jon
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    Friction stir welding - GIF, video, and images

    Friction stir welding GIF:



    Here's the bulkhead and nosecone of the Orion spacecraft being joined with friction stir welding:



    Explanation:






    Video:



    More:
    https://en.wikipedia.org/wiki/Friction_stir_welding

    Previously:
    Cold welding GIF
    Friction welding drill pipe for oil exploration
    Welded Celtic knot

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    This looks very similar to Thermal Drilling for threads inprinciple.

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    Now, could I do something like this to weld aluminium? Seems like it might work, I could use a old carbide mill bit on my vertical mill.

    Ralph

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    I was involved with the development of this process when I worked for Lockheed Martin at Michoud in New Orleans. We used it on the External Tank build, and later for the Orion capsule prototype.

    There was just too much stress on the head to do it that way. The "button" that is used is nowhere near like an end mill. You are essentially liquefying/plasticizing the aluminum so, that it flows together.
    Hi, sorry I missed you. I have gone to find myself, but if I return before I get back, please ask me to wait.

    Nothing ever gets built on schedule or within budget.

  6. #5
    Jon
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    Quote Originally Posted by Ralphxyz View Post
    Now, could I do something like this to weld aluminium? Seems like it might work, I could use a old carbide mill bit on my vertical mill.

    Ralph
    These might help:

    NASA: Self-Reacting Friction Stir Welding for Aluminum Alloy Circumferential Weld Application

    NASA: Friction Stir Welding of Additively Manufactured Aluminum Alloys


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